page_title: List of the Cenozoic life of Wyoming
section_title: H
hierarchical_section_title: List of the Cenozoic life of Wyoming / H
caption_attribution_description: Reconstruction of the squirrel-like condylarth Hyopsodus
context_page_description: This list of the Cenozoic life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming and are between 66 million and 10,000 years of age.
context_section_description: †Habrosaurus
  †Habrosaurus dilatus
  †Hadrianus
  †Hadrianus allabiatus – type locality for species
  †Hadrianus quadratus – type locality for species
  †Hammapteryx – type locality for genus
  †Hammapteryx reticulata – type locality for species
   †Hapalodectes
  †Hapalodectes anthracinus
  †Hapalodectes leptognathus
  †Hapalorestes
  †Hapalorestes lovei – type locality for species
  †Haplaletes
  †Haplaletes disceptatrix
  †Haplaletes pelicatus – type locality for species
  †Haploconus
  †Haplodontosaurus
  †Haplodontosaurus excedens
  †Haplolambda
  †Haplolambda quinni
  †Haplomylus
  †Haplomylus bozemanensis – type locality for species
  †Haplomylus palustris
  †Haplomylus scottianus – type locality for species
  †Haplomylus simpsoni
  †Haplomylus speirianus
  †Haplomylus zalmouti
   †Harpagolestes
  †Harpagolestes macrocephalus – type locality for species
  †Harpalodon
  †Harpalodon sylvestris – or unidentified comparable form
  †Harrymys
  †Harrymys irvini
  †Harrymys woodi
  †Helaletes – type locality for genus
  †Helaletes nanus – type locality for species
  †Heliscomys
  †Heliscomys hatcheri
  †Heliscomys mcgrewi
  †Heliscomys ostranderi
  †Heliscomys vetus – or unidentified comparable form
  †Helix
  †Helix evanstonensis
  †Helix sinclairi
   †Helodermoides
  †Helodermoides tuberculatus
  †Helohyus
  †Helohyus lentus
  †Helohyus milleri – type locality for species
  †Helohyus plicodon – type locality for species
  †Hemiacodon
  †Hemiacodon casamissus – type locality for species
  †Hemiacodon engardae – type locality for species
  †Hemiacodon gracilis
   †Hemiauchenia
  †Hemipsalodon
  †Hemipsalodon grandis
  Hemitelia
  †Hemitelia magna
  †Hemithlaeus
  †Hemithlaeus harbourae
  †Hemithlaeus josephi
  †Hendryomeryx
  †Hendryomeryx wilsoni
  †Heptacodon
  †Heptodon
  †Heptodon calciculus
  †Heptodon posticus
   †Herpetotherium
  †Herpetotherium innominatum – type locality for species
  †Herpetotherium knighti
  †Herpetotherium youngi – or unidentified comparable form
  †Hesperocyon
  †Hesperocyon gregarius
  †Hesperopetes
  †Hesperopetes thoringtoni – type locality for species
  †Hesperosorex
  †Hesperosorex lovei – type locality for species
  †Heteraletes
  †Heteraletes leotanus
  †Hexacodus
  †Hexacodus pelodes
  †Hexacodus uintensis
  †Hicoria
  †Hicoria antiqua
  †Hicoria crescentia
  †Hicoria culveri
  Hirundo – or unidentified comparable form
  †Hirundo pyrrhonota
  †Holospira
  †Homacodon
  †Homacodon vagans – type locality for species
  †Homalota
  †Homalota recisa – type locality for species
  †Homogalax
  †Homogalax protapirinus
  †Honrovits – type locality for genus
  †Honrovits tsuwape – type locality for species
   †Hoplophoneus
  †Hoplophoneus mentalis
  †Hoplophoneus primaevus
  †Hovenia
  †Hovenia oregonensis – or unidentified comparable form
  †Huerfanodon
  †Huerfanodon polecatensis – type locality for species
  †Hummelichelys
  †Hummelichelys annae – type locality for species
  †Hummelichelys ellipticus
  †Hummelichelys grangeri – type locality for species
  †Hummelichelys guttatus – type locality for species
  †Hutchemys
  †Hutchemys rememdium
   †Hyaenodon
  †Hyaenodon crucians
  †Hyaenodon horridus
  †Hyaenodon megaloides
  †Hyaenodon montanus
  †Hyaenodon mustelinus
  †Hyaenodon venturae
  †Hyaenodon vetus
  Hydrangea
  †Hydrangea antica
  †Hydrangea GR537 informal
  Hydrobia – report made of unidentified related form or using admittedly obsolete nomenclature
   Hydrobius
  †Hydrobius confixus – type locality for species
  †Hydrobius decineratus – type locality for species
  †Hydrochus
  †Hydrochus relictus – type locality for species
  †Hydromystria
  †Hydromystria expansa
  †Hylobius
  †Hylobius packardii – type locality for species
  †Hylobius provectus – type locality for species
   †Hyopsodus
  †Hyopsodus aemulor
  †Hyopsodus latidens
  †Hyopsodus lepidus – type locality for species
  †Hyopsodus loomisi
  †Hyopsodus lysitensis
  †Hyopsodus mentalis
  †Hyopsodus minor
  †Hyopsodus minusculus – type locality for species
  †Hyopsodus miticulus
  †Hyopsodus paulus – type locality for species
  †Hyopsodus pauxillus – type locality for species
  †Hyopsodus powellianus
  †Hyopsodus simplex
  †Hyopsodus tonksi – type locality for species
  †Hyopsodus uintensis
  †Hyopsodus walcottianus
  †Hyopsodus wortmani
  †Hypertragulus
  †Hypertragulus calcaratus
  †Hypisodus
  †Hypisodus alacer
  †Hypisodus m
caption: Life restoration of the Eocene odd-toed ungulate Hyopsodus
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